[XmIuo6wQBHcAADh7e90AAAAM] /w/index.php?title=User_talk:AJ&action=submit MediaWiki\Storage\BlobAccessException from line 261 of /srv/mediawiki/php-master/includes/Storage/SqlBlobStore.php: Unable to store text to external storage

Backtrace:

#0 /srv/mediawiki/php-master/includes/Revision/RevisionStore.php(947): MediaWiki\Storage\SqlBlobStore->storeBlob(string, array)
#1 /srv/mediawiki/php-master/includes/Revision/RevisionStore.php(684): MediaWiki\Revision\RevisionStore->storeContentBlob(MediaWiki\Revision\SlotRecord, Title, array)
#2 /srv/mediawiki/php-master/includes/Revision/RevisionStore.php(619): MediaWiki\Revision\RevisionStore->insertSlotOn(Wikimedia\Rdbms\DatabaseMysqli, integer, MediaWiki\Revision\SlotRecord, Title, array)
#3 /srv/mediawiki/php-master/includes/Revision/RevisionStore.php(516): MediaWiki\Revision\RevisionStore->insertRevisionInternal(MediaWiki\Revision\MutableRevisionRecord, Wikimedia\Rdbms\DatabaseMysqli, User, CommentStoreComment, Title, integer, integer)
#4 /srv/mediawiki/php-master/includes/libs/rdbms/database/Database.php(4045): MediaWiki\Revision\RevisionStore->MediaWiki\Revision\{closure}(Wikimedia\Rdbms\DatabaseMysqli, string)
#5 /srv/mediawiki/php-master/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->doAtomicSection(string, Closure)
#6 /srv/mediawiki/php-master/includes/libs/rdbms/database/DBConnRef.php(650): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#7 /srv/mediawiki/php-master/includes/Revision/RevisionStore.php(518): Wikimedia\Rdbms\DBConnRef->doAtomicSection(string, Closure)
#8 /srv/mediawiki/php-master/includes/Storage/PageUpdater.php(996): MediaWiki\Revision\RevisionStore->insertRevisionOn(MediaWiki\Revision\MutableRevisionRecord, Wikimedia\Rdbms\DBConnRef)
#9 /srv/mediawiki/php-master/includes/Storage/PageUpdater.php(766): MediaWiki\Storage\PageUpdater->doModify(CommentStoreComment, User, integer)
#10 /srv/mediawiki/php-master/includes/page/WikiPage.php(1942): MediaWiki\Storage\PageUpdater->saveRevision(CommentStoreComment, integer)
#11 /srv/mediawiki/php-master/includes/EditPage.php(2388): WikiPage->doEditContent(WikitextContent, CommentStoreComment, integer, boolean, User, string, array, integer)
#12 /srv/mediawiki/php-master/includes/EditPage.php(1659): EditPage->internalAttemptSave(array, boolean)
#13 /srv/mediawiki/php-master/includes/EditPage.php(704): EditPage->attemptSave(array)
#14 /srv/mediawiki/php-master/includes/actions/EditAction.php(60): EditPage->edit()
#15 /srv/mediawiki/php-master/includes/actions/SubmitAction.php(38): EditAction->show()
#16 /srv/mediawiki/php-master/includes/MediaWiki.php(519): SubmitAction->show()
#17 /srv/mediawiki/php-master/includes/MediaWiki.php(305): MediaWiki->performAction(Article, Title)
#18 /srv/mediawiki/php-master/includes/MediaWiki.php(972): MediaWiki->performRequest()
#19 /srv/mediawiki/php-master/includes/MediaWiki.php(535): MediaWiki->main()
#20 /srv/mediawiki/php-master/index.php(47): MediaWiki->run()
#21 /srv/mediawiki/w/index.php(3): require(string)
#22 {main}